16901925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 30504000

約数和(自身を除く): 13602075

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 409, 435, 475, 551, 725, 1227, 1425, 1653, 2045, 2175, 2755, 6135, 7771, 8265, 10225, 11861, 13775, 23313, 30675, 35583, 38855, 41325, 59305, 116565, 177915, 194275, 225359, 296525, 582825, 676077, 889575, 1126795, 3380385, 5633975, 16901925]

約数ペア:

[(1, 16901925), (3, 5633975), (5, 3380385), (15, 1126795), (19, 889575), (25, 676077), (29, 582825), (57, 296525), (75, 225359), (87, 194275), (95, 177915), (145, 116565), (285, 59305), (409, 41325), (435, 38855), (475, 35583), (551, 30675), (725, 23313), (1227, 13775), (1425, 11861), (1653, 10225), (2045, 8265), (2175, 7771), (2755, 6135)]